An edible substance taken from one of two species of sub-Saharan acacia trees, Senegalia senegal and Vachellia seyal, used in the food industry as a stabilizer (e.g. in soda, gumdrops and marshmallows) and in other industries including pharmaceuticals, paints and polishes.

(botany) A eucalyptus tree, including trees now placed in the genera Angophora and Corymbia.

locust bean gum

a natural gum, produced by the fermentation of sugars by the bacterium Xanthomonas campestris; used as a food additive

a gum extracted from the trees of the Sterculia genus, used as a food additive and denture adhesive

a polysaccharide gum produced by the bacterium Sphingomonas elodea, used as an alternative to agar, and as a food additive

a heteropolysaccharide gum, extracted from the guar bean, that is used as a food additive

Any of various eucalyptus trees that exude manna, especially Eucalyptus viminalis, found in Australia.

Any of various eucalyptus trees having blueish leaves, especially Eucalyptus globulus. / (slang, offensive) A person of sub-Saharan African origin, referring to the blue coloring around their gumline.

plural of gum tree